For the 2026 school year, there are 2 private schools serving 464 students in South Boston, MA (there are 6 public schools, serving 1,636 public students). 22% of all K-12 students in South Boston, MA are educated in private schools (compared to the MA state average of 12%).
The top-ranked private school in South Boston, MA is South Boston Catholic Academy.
50% of private schools in South Boston, MA are religiously affiliated (most commonly Catholic).
Top-Ranked South Boston Private Schools (2026)
School
Location
Quick Facts
866 E Broadway
South Boston, MA 02127
(617) 268-2326
South Boston, MA 02127
(617) 268-2326
Gr: K-6 | 386 students Avg. class size: 17 students Sports: 2 | Extracurrculars: 8 Tuition listed
371 W 4th St
South Boston, MA 02127
(617) 268-0750
South Boston, MA 02127
(617) 268-0750
Gr: NS-6 | 78 students Avg. class size: 10 students Extracurrculars: 6 Tuition listed
South Boston, Massachusetts Private Schools (Closed)
School
Location
Quick Facts
609 E 4th Street
South Boston, MA 02127
(617) 268-8431
South Boston, MA 02127
(617) 268-8431
Gr: PK-8 | 303 students
St. Mary School (Closed 2006)
Special Program Emphasis (Catholic)
52 Boston Street
South Boston, MA 02127
(617) 268-3766
South Boston, MA 02127
(617) 268-3766
Gr: K-8 | 183 students
Overview
This Town (South Boston)
This State (MA)
# Schools
2 Schools
Student Body:
# Students
464 Students
126,525 Students
% Average Students of Color
15%
31%
Academics and Faculty:
# Teachers
74 Teachers
15,720 Teachers
Average Student-Teacher Ratio
6:1
8:1
% Average Faculty w/Advanced Degree
29%
67%
Average Class Size
14 students
14 students
Average Number of AP Courses
15 courses
16 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$5,888
$26,689
Students by Ethnicity:
Diversity Score
0.30
0.63
# American Indian Students
n/a
187 Students
% American Indian Students
n/a
n/a
# Asian Students
9 Students
6,792 Students
% Asian Students
2%
5%
# Hispanic Students
14 Students
7,577 Students
% Hispanic Students
2%
6%
# Black Students
9 Students
8,696 Students
% Black Students
2%
7%
# White Students
437 Students
67,960 Students
% White Students
83%
55%
# Hawaiian Students
5 Students
83 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
53 Students
33,326 Students
% of Others Students
10%
27%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
7 extracurriculars
13 extracurriculars
Average Number of Sports
2 sports
9 sports
Frequently Asked Questions
What are the top-ranked private schools in South Boston, MA?
The top-ranked private schools in South Boston, MA is South Boston Catholic Academy.
How many private schools are located in South Boston?
2 private schools are located in South Boston.
What percentage of students in South Boston go to private school?
22% of all K-12 students in South Boston are educated in private schools (compared to the MA state average of 12%).
What percentage of private schools are religiously affiliated in South Boston?
50% of private schools in South Boston are religiously affiliated (most commonly Catholic).
Recent Articles
Ask Current Parents What Admissions Won't Answer
Learn how to ask current private school parents revealing questions about culture, academics, communication, costs, discipline, and community life before deciding whether a school truly fits your family well.
When School Anxiety Is Really a School Fit Problem
Learn when school anxiety may signal a poor school fit, how parents can identify academic or social mismatches, and when changing private schools deserves serious consideration for families today.
Will My Child Find Their People? Evaluating School Culture
Learn how to evaluate private school culture, student belonging, friendships, teacher relationships, social dynamics, and authentic community fit so your child can find the right place to thrive and connect.